Acide L(+)-ascorbique 99%
Flacon plastique, 100 g
: Ascorbic Acid, L-Ascorbic acid, (R)-5-((S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one, Acidum ascorbicum
- :50-81-7
- :C₆H₈O₆
- :MFCD00064328
- :176.13 g/mol
- :13,00837
- :553 °C (1013 hPa)
- :190…192 °C (déc.)
- :1,694 g/cm³ (20 °C)
- :Température ambiante
- :200-066-2
- :exempt
- Appearance:White to off-white Crystalline powder or crystals
- Infrared spectrum:Conforms
- Titration Iodimetric:≥98.5 %
- Sulfated ash:≤0.1 %
- Solubility:(5 % in water) Passes test
- pH:2.1 to 2.6 (5 % in water)
- Specific optical rotation:+20.5° to +21.5° (20°C, 589 nm) (c=10, H2O)
- Copper (Cu):≤5 ppm
- Iron (Fe):≤2 ppm
- Heavy metals (as Pb):≤10 ppm
- Impurity:≤0.2 % Oxalic acid
- Type de conditionnement:Flacon plastique
- Cdt:100 g
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